Quantitative Aptitude Quiz For NIACL AO Prelims 2023 -19th August

Q1. There are 48 students in a classroom, in which some are girls and rest are boys. One student is chosen at random for being monitor in class. If probability of monitor being a girl is 3/8 then find number of boys in the classroom?
(a) 32
(b)36
(c) 20
(d) 24
(e) 30

Q2. Sum of circumference of a circle and area of rectangle is 714 unit, if length of rectangle is two times of its breadth and diameter of circle is 21 cm. Find difference between length of rectangle and radius of circle ?
(a) 24.5 cm
(b) 25.5 cm
(c) 23.5 cm
(d) 22.5 cm
(e) 20.5 cm

Q3. A 175 meters long train ‘P’ passed a pole in 8.75 sec. Train ‘P’ passed an another train ‘Q’ travelling in a direction opposite to ‘p’ in 60/7 sec. If length of train ‘Q’ is 225 meter, then in what time train ‘Q’ will pass train ‘P’ when they both runs in same direction ?
(a) 55 sec
(b) 50 sec
(c) 45 sec
(d) 60 sec
(e) 35 sec

Q4. A shopkeeper mark up price of LED 60% above its cost price and gives three successive discount of 12 ½ %, d% and 25%. If shopkeeper made a loss 16% on LED. Find the second discount allowed by shop?
(a) 15%
(b) 20%
(c) 25%
(d) 16 ⅔%
(e) 17.5%

Q5. Four year ago average age of P, Q and R is 33 years. At present, age of R is three year less than Q and P is three year older than Q. then find the age of P one year hence ?
(a) 36 years
(b) 38 years
(c) 40 years
(d) 41 years
(e) 36 years

Q6. When an article is sold at 40% discount , a loss of 10% occurs but when it sold at 20% discount then there is a profit of Rs.7.5. What is the cost price of the article?
(a) 37.5 Rs
(b) 40 Rs
(c) 66.67 Rs
(d) 48 Rs
(e) 39.2 Rs

Q7. Rakesh’s monthly income is 2.5 times Gagan’s monthly income. Gagan’s monthly income is 15% less than Prabhat’s monthly income. If difference between 20% of Rakesh monthly income and 5% of Prabhat’s monthly income is 7500Rs. then, find the monthly income of Gagan.
(a) 18000 Rs
(b) 19000 Rs
(c) 20000 Rs
(d) 15000 Rs
(e) 17000 Rs

Q8. A certain amount was to be distributed among X, Y and Z in the ratio 1 : 3 : 5 respectively, but was erroneously distributed in the ratio 2 : 3 : 6 due to which Y got Rs60 less. Find the amount which was to be distributed.
(a) 970
(b) 680
(c) 950
(d) 990
(e) 1980

Q9. Rahul’s present age is 4/7 th of his father’s present age and was four times his sons age three years ago. If the average of the present age of all three is 33 years then, what is the difference between the Rahul’s son’s present age and Rahul’s father’s present age?
(a) 43
(b) 45
(c) 40
(d) 32
(e) 41

Solutions